The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 2002
Filed:
May. 18, 2000
Applicant:
Inventors:
Ken Takahashi, Kanagawa, JP;
Shigenori Takaki, Kanagawa, JP;
Ryoei Oka, Osaka, JP;
Tomoyuki Hattori, Kanagawa, JP;
Toshihisa Sato, Kanagawa, JP;
Kohei Kobayashi, Kanagawa, JP;
Kaoru Okuno, Kanagawa, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 1/100 ;
U.S. Cl.
CPC ...
B29D 1/100 ;
Abstract
In a method of making a ribbon type coated optical fiber comprising the step of inserting a plurality of optical fibers flatly arranged parallel to each other through a die orifice so as to collectively coat the optical fibers with a coating resin the ratio W/H of a clearance W in the width direction between the inner surface of the die orifice and the outer surface of the optical fibers to a clearance H in the thickness direction therebetween is set within the range of 1.0 to 2.5.